/* Shared Components CSS - Common styles used across multiple pages */

    /* ====================== */
    /* PERFORMANCE OPTIMIZATIONS */
    /* ====================== */
    /* Content-visibility for below-fold sections */
    footer,
    .footer-section {
        content-visibility: auto;
        contain-intrinsic-size: 0 500px;
    }

    /* Improve paint performance */
    /* HINWEIS: 'paint' entfernt - blockiert Scroll-Propagation in Edge */
    .card,
    .product-card,
    .feature-card {
        will-change: transform;
        contain: layout style;
    }

    /* GPU-beschleunigte Animationen bevorzugen */
    [data-aos] {
        will-change: opacity, transform;
        transform: translateZ(0);
        backface-visibility: hidden;
    }

    /* Hover-Animationen auf GPU beschränken */
    .industrial-card img,
    .hover\:scale-110:hover {
        will-change: transform;
        transform: translateZ(0);
    }

    /* ====================== */
    /* ACCESSIBILITY - REDUCED MOTION */
    /* ====================== */
    @media (prefers-reduced-motion: reduce) {

        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }

        /* Disable AOS animations */
        [data-aos] {
            opacity: 1 !important;
            transform: none !important;
            transition: none !important;
        }

        /* Disable video autoplay for reduced motion */
        video[autoplay] {
            animation: none !important;
        }
    }

    /* ====================== */
    /* CSS VARIABLES (COMMON) */
    /* ====================== */
    :root {
        /* Color Variables - Used in multiple files */
        --dark-gray: #1F2937;
        --anthracite: #111827;
        --deep-anthracite: #0F172A;
        --accent-red: #B83232;
        --accent-red-light: #D25050;
        --accent-red-dark: #8A2626;
        --white: #ffffff;
        --gray-100: #f3f4f6;
        --gray-200: #e5e7eb;
        --gray-300: #d1d5db;
        --gray-500: #6b7280;
        --gray-700: #374151;

        /* Primary colors from main.css */
        --primary-color: #0055CC;
        --primary-dark: #003399;
        --primary-light: #1E78FF;
        --primary-color-rgb: 0, 85, 204;
        --secondary-color: #B83232;
        --secondary-dark: #8A2626;
        --secondary-light: #D25050;
        --secondary-color-rgb: 184, 50, 50;
    }

    /* ==================== */
    /* GENERAL BASE STYLES  */
    /* ==================== */
    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'Inter', sans-serif;
        background-color: var(--white);
        color: var(--dark-gray);
        overflow-x: hidden;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-family: 'Poppins', sans-serif;
    }

    /* ==================== */
    /* FOCUS-VISIBLE STYLES */
    /* ==================== */
    /* Better keyboard navigation indicators */
    *:focus-visible {
        outline: 3px solid var(--primary-color);
        outline-offset: 2px;
    }

    /* Remove default focus ring for mouse users */
    *:focus:not(:focus-visible) {
        outline: none;
    }

    /* Custom focus styles for interactive elements */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid var(--primary-color);
        outline-offset: 2px;
        border-radius: 4px;
    }

    /* High contrast focus for dark backgrounds */
    .bg-dark *:focus-visible,
    footer *:focus-visible {
        outline-color: var(--white);
    }

    /* ==================== */
    /* NAVIGATION COMPONENTS */
    /* ==================== */
    .nav-link {
        position: relative;
        font-weight: 500;
    }

    .nav-link:after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--accent-red);
        transition: width 0.3s ease;
    }

    .nav-link:hover:after {
        width: 100%;
    }

    /* Active Navigation Link - aktuelle Seite hervorheben */
    .nav-link.active {
        color: var(--primary-color) !important;
    }

    .nav-link.active:after {
        width: 100%;
        background-color: var(--primary-color);
    }

    /* Mobile menu animation */
    #mobile-menu {
        transition: max-height 0.3s ease-in-out, opacity 0.3s ease-in-out;
        max-height: 0;
        opacity: 0;
        overflow: hidden;
    }

    #mobile-menu:not(.hidden) {
        max-height: 500px;
        opacity: 1;
    }

    .navbar-modern {
        transition: all 0.3s ease;
    }

    .navbar-modern.scrolled {
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        -webkit-backdrop-filter: blur(20px);
        /* Safari support */
        backdrop-filter: blur(20px);
    }

    /* ================== */
    /* BUTTON COMPONENTS  */
    /* ================== */
    .btn-primary {
        background-color: var(--accent-red);
        color: white;
        font-weight: 600;
        padding: 0.75rem 1.5rem;
        border-radius: 0.375rem;
        transition: background-color 0.3s ease;
    }

    .btn-primary:hover {
        background-color: var(--accent-red-dark);
        color: white !important;
        /* transform: translateY(-2px); */
        /* Entfernt */
        /* box-shadow: 0 10px 15px -3px rgba(184, 50, 50, 0.3); */
        /* Entfernt */
    }

    .btn-accent {
        background-color: var(--accent-red);
        color: #ffffff;
        font-weight: 600;
        padding: 0.75rem 1.5rem;
        border-radius: 0.375rem;
        transition: background-color 0.3s ease;
    }

    .btn-accent:hover {
        background-color: var(--accent-red-dark);
    }

    .btn-secondary {
        background-color: var(--secondary-color);
        color: white;
        border: 2px solid var(--secondary-dark);
        box-shadow: 0 0 10px rgba(var(--secondary-color-rgb), 0.3);
    }

    /* Modern button style */
    .btn-modern {
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
        z-index: 1;
        border-radius: 6px;
        font-weight: 500;
        padding: 0.75rem 1.5rem;
    }

    .btn-modern::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
        opacity: 0;
        z-index: -1;
        transition: opacity 0.3s ease;
    }

    .btn-modern:hover::before {
        opacity: 1;
    }

    /* .btn-modern:hover - Bewegungseffekte entfernt */

    /* =================== */
    /* FORM COMPONENTS     */
    /* =================== */
    input,
    textarea,
    select {
        transition: border-color 0.3s ease, box-shadow 0.3s ease;
    }

    input:focus,
    textarea:focus,
    select:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.15);
        /* transform: translateY(-2px); */
        /* Entfernt */
    }

    input:hover,
    textarea:hover,
    select:hover {
        border-color: var(--primary-light);
        /* box-shadow: 0 5px 15px rgba(var(--primary-color-rgb), 0.08); */
        /* Entfernt */
    }

    /* Checkbox styling */
    input[type="checkbox"] {
        cursor: pointer;
        transition: all 0.3s ease;
    }

    input[type="checkbox"]:checked {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
        /* transform: scale(1.05); */
        /* Entfernt */
    }

    /* Textarea specific */
    textarea {
        min-height: 150px;
        resize: vertical;
        line-height: 1.6;
        transition: all 0.3s ease;
    }

    /* =================== */
    /* CARD COMPONENTS     */
    /* =================== */
    .modern-card {
        transition: box-shadow 0.3s;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .modern-card:hover {
        /* transform: translateY(-10px); */
        /* Entfernt */
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        /* Reduziert */
    }

    .value-card {
        position: relative;
        overflow: hidden;
        transform-style: preserve-3d;
        perspective: 1000px;
    }

    .value-card::before {
        content: '';
        position: absolute;
        inset: 0;
        z-index: -1;
        background: linear-gradient(225deg, #ffffff, #f3f4f6);
        border-radius: inherit;
        transform: translateZ(-10px);
        transition: transform 0.5s ease, opacity 0.5s ease;
        opacity: 0;
    }

    .value-card:hover::before {
        transform: translateZ(-5px);
        opacity: 1;
    }

    /* ======================== */
    /* NOTIFICATION COMPONENTS  */
    /* ======================== */
    .success-message {
        background-color: #d1fae5;
        border-left: 4px solid #10b981;
        padding: 1rem;
        border-radius: 0.5rem;
        margin-bottom: 1.5rem;
        display: flex;
        align-items: center;
    }

    .success-message svg {
        color: #10b981;
        margin-right: 0.75rem;
    }

    .error-message {
        background-color: #fee2e2;
        border-left: 4px solid #ef4444;
        padding: 1rem;
        border-radius: 0.5rem;
        margin-bottom: 1.5rem;
        display: flex;
        align-items: center;
    }

    .error-message svg {
        color: #ef4444;
        margin-right: 0.75rem;
    }

    /* =================== */
    /* ANIMATION LIBRARY   */
    /* =================== */
    @keyframes float {

        0%,
        100% {
            transform: translate(0, 0) scale(1);
        }

        25% {
            transform: translate(20px, -30px) scale(1.1);
        }

        50% {
            transform: translate(-10px, 20px) scale(0.9);
        }

        75% {
            transform: translate(-30px, -10px) scale(1.05);
        }
    }

    @keyframes pulse-border {
        0% {
            box-shadow: 0 0 0 0 rgba(var(--primary-color-rgb), 0.4);
        }

        70% {
            box-shadow: 0 0 0 10px rgba(var(--primary-color-rgb), 0);
        }

        100% {
            box-shadow: 0 0 0 0 rgba(var(--primary-color-rgb), 0);
        }
    }

    @keyframes shake {

        0%,
        100% {
            transform: translateX(0);
        }

        10%,
        30%,
        50%,
        70%,
        90% {
            transform: translateX(-5px);
        }

        20%,
        40%,
        60%,
        80% {
            transform: translateX(5px);
        }
    }

    @keyframes countUp {
        0% {
            opacity: 0;
            transform: translateY(20px);
        }

        100% {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes gradient {
        0% {
            background-position: 0% 50%;
        }

        50% {
            background-position: 100% 50%;
        }

        100% {
            background-position: 0% 50%;
        }
    }

    /* Animation classes */
    .floating {
        animation: float 6s ease-in-out infinite;
    }

    .pulse-border {
        animation: pulse-border 2s infinite;
    }

    .shake {
        animation: shake 0.6s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
    }

    .animated-bg {
        background-size: 400% 400%;
        background: linear-gradient(-45deg,
                rgba(var(--primary-color-rgb), 0.1),
                rgba(var(--primary-color-rgb), 0.05),
                rgba(var(--secondary-color-rgb), 0.1),
                rgba(var(--primary-color-rgb), 0.05));
        animation: gradient 15s ease infinite;
    }

    /* ==================== */
    /* RESPONSIVE UTILITIES */
    /* ==================== */
    @media (max-width: 768px) {

        .btn-primary,
        .btn-secondary,
        .btn-modern {
            padding: 0.75rem 1.25rem !important;
            font-size: 0.875rem !important;
            min-height: 44px;
            min-width: 44px;
        }

        /* Mobile-optimized spacing */
        .py-20 {
            padding-top: 3rem !important;
            padding-bottom: 3rem !important;
        }

        .py-16 {
            padding-top: 2.5rem !important;
            padding-bottom: 2.5rem !important;
        }

        /* Mobile typography */
        .text-4xl {
            font-size: 2rem !important;
        }

        .text-3xl {
            font-size: 1.75rem !important;
        }

        .text-2xl {
            font-size: 1.5rem !important;
        }

        h1 {
            line-height: 1.2;
        }

        h2,
        h3 {
            line-height: 1.3;
        }
    }

    /* ================== */
    /* DARK MODE SUPPORT  */
    /* ================== */
    .dark .text-gray-600 {
        color: #D1D5DB !important;
    }

    .dark .text-gray-500 {
        color: #9CA3AF !important;
    }

    .dark .text-gray-700 {
        color: #E5E7EB !important;
    }

    .dark .text-gray-800 {
        color: #F3F4F6 !important;
    }

    .dark .text-gray-900 {
        color: #F9FAFB !important;
    }

    .dark .modern-card {
        background: #1F2937;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    /* =================== */
    /* UTILITY CLASSES     */
    /* =================== */
    .glass-effect {
        background: rgba(255, 255, 255, 0.15);
        -webkit-backdrop-filter: blur(10px);
        /* Safari support */
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    }

    .dark .glass-effect {
        background: rgba(17, 24, 39, 0.7);
        border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .text-gradient {
        background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .highlight-blue {
        border-left: 4px solid var(--primary-color);
        padding-left: 1rem;
    }

    .highlight-red {
        border-left: 4px solid var(--secondary-color);
        padding-left: 1rem;
    }

    /* Contact info icons */
    .contact-info-icon {
        transition: all 0.3s ease;
    }

    .contact-info-item:hover .contact-info-icon {
        transform: scale(1.1);
        background-color: var(--primary-color);
        color: white;
    }

    /* HSN/TSN input styling (from oil guide) */
    .hsn-input,
    .tsn-input {
        font-family: 'Courier New', monospace;
        letter-spacing: 0.1em;
        text-align: center;
        font-weight: bold;
    }

    /* Icon hover effects */
    .rounded-2xl.bg-gradient-to-br {
        position: relative;
        overflow: visible;
    }

    .rounded-2xl.bg-gradient-to-br::after {
        content: '';
        position: absolute;
        inset: -8px;
        background: inherit;
        border-radius: inherit;
        filter: blur(12px);
        opacity: 0;
        transition: opacity 0.5s ease;
        z-index: -1;
    }

    .value-card:hover .rounded-2xl.bg-gradient-to-br::after {
        opacity: 0.6;
    }

    /* Social button hover */
    .social-button:hover {
        transform: translateY(-3px);
    }

    /* General link and button hover */
    a,
    button {
        transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
    }

    /* ANIMATION ENTFERNT - verursachte störende Bewegung in Navigation */
    /* a:hover, button:hover {
    transform: translateY(-2px);
} */

    /* Spezifische hover-Effekte nur für bestimmte Elemente */
    .btn-primary:hover,
    .social-button:hover,
    .card:hover:not(.nav-card) {
        transform: translateY(-2px);
    }

    /* ====================== */
    /* PRINT STYLES           */
    /* ====================== */
    @media print {

        /* Hide navigation, footer, and interactive elements */
        nav,
        header nav,
        footer,
        .mobile-menu,
        #mobile-menu,
        .cookie-banner,
        .consent-banner,
        button,
        .btn-primary,
        .btn-accent,
        .social-links,
        .skip-link,
        video,
        noscript {
            display: none !important;
        }

        /* Reset backgrounds and colors for printing */
        body {
            background: white !important;
            color: black !important;
            font-size: 12pt;
            line-height: 1.5;
        }

        /* Ensure text is readable */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: black !important;
            page-break-after: avoid;
        }

        p,
        li {
            orphans: 3;
            widows: 3;
        }

        /* Ensure links show URL */
        a[href]:not([href^="#"]):not([href^="javascript"])::after {
            content: " (" attr(href) ")";
            font-size: 0.8em;
            color: #666;
        }

        /* Avoid breaking inside important elements */
        img,
        table,
        figure {
            page-break-inside: avoid;
        }

        /* Show images but optimize */
        img {
            max-width: 100% !important;
            height: auto !important;
        }

        /* Remove shadows and gradients */
        * {
            box-shadow: none !important;
            text-shadow: none !important;
        }

        /* Ensure main content is visible */
        main,
        .container,
        article {
            width: 100% !important;
            margin: 0 !important;
            padding: 0.5cm !important;
        }
    }

    /* ============================================
   FULLSCREEN MOBILE MENU - ALLE SEITEN
   ============================================ */

    /* Fullscreen Overlay Container */
    .mobile-menu-fullscreen {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100% !important;
        height: 100% !important;
        min-height: 100vh !important;
        min-width: 100vw !important;
        background: linear-gradient(135deg, #0F172A 0%, #1e3a5f 50%, #0F172A 100%) !important;
        z-index: 99999 !important;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 2rem 1.5rem;
        padding-bottom: 4rem;
        overflow-y: auto;
        overflow-x: hidden;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        margin: 0 !important;
        box-sizing: border-box;
    }

    .mobile-menu-fullscreen.active {
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
    }

    /* Hidden Klasse - überschreibt alles */
    .mobile-menu-fullscreen.hidden:not(.active) {
        display: none !important;
    }

    /* Close Button */
    .mobile-menu-close {
        position: absolute;
        top: 1.25rem;
        right: 1.25rem;
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 50%;
        color: white;
        cursor: pointer;
        transition: all 0.3s ease;
        z-index: 100001;
    }

    .mobile-menu-close:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: rotate(90deg);
    }

    /* Logo im Menü */
    .mobile-menu-logo {
        margin-bottom: 2rem;
        padding-top: 1rem;
    }

    .mobile-menu-logo img {
        filter: brightness(0) invert(1);
    }

    /* Menü Liste */
    .mobile-menu-list {
        list-style: none;
        padding: 0;
        margin: 0;
        width: 100%;
        max-width: 320px;
    }

    .mobile-menu-list li {
        margin-bottom: 0.5rem;
    }

    /* Hauptlinks */
    .mobile-menu-link {
        display: flex;
        align-items: center;
        padding: 1rem 1.25rem;
        color: white;
        font-size: 1.1rem;
        font-weight: 500;
        text-decoration: none;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        transition: all 0.3s ease;
    }

    .mobile-menu-link:hover,
    .mobile-menu-link.active {
        background: rgba(255, 255, 255, 0.15);
        border-color: rgba(255, 255, 255, 0.3);
        transform: translateX(5px);
    }

    .mobile-menu-link i {
        width: 24px;
        color: var(--accent-red-light, #D25050);
    }

    /* Dropdown Container */
    .mobile-dropdown-fs {
        margin-bottom: 0.5rem;
    }

    /* Dropdown Toggle Button */
    .mobile-dropdown-toggle-fs {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 1rem 1.25rem;
        color: white;
        font-size: 1.1rem;
        font-weight: 500;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .mobile-dropdown-toggle-fs:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .mobile-dropdown-toggle-fs span i,
    .mobile-dropdown-toggle-fs span .fi {
        width: 24px;
        color: var(--accent-red-light, #D25050);
    }

    .mobile-dropdown-toggle-fs>i {
        transition: transform 0.3s ease;
    }

    .mobile-dropdown-toggle-fs.open>i {
        transform: rotate(180deg);
    }

    /* Dropdown Content */
    .mobile-dropdown-content-fs {
        padding: 0.5rem 0 0.5rem 1rem;
        margin-top: 0.5rem;
        border-left: 2px solid rgba(255, 255, 255, 0.2);
        margin-left: 1rem;
    }

    .mobile-dropdown-content-fs.hidden {
        display: none;
    }

    /* Sprachen Scroll */
    .mobile-lang-scroll {
        max-height: 200px;
        overflow-y: auto;
    }

    .mobile-lang-region {
        display: block;
        padding: 0.5rem 0.75rem;
        font-size: 0.7rem;
        font-weight: 600;
        color: rgba(255, 255, 255, 0.5);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-top: 0.5rem;
    }

    .mobile-lang-region:first-child {
        margin-top: 0;
    }

    /* Submenu Links */
    .mobile-submenu-link {
        display: flex;
        align-items: center;
        padding: 0.75rem 1rem;
        color: rgba(255, 255, 255, 0.8);
        font-size: 0.95rem;
        text-decoration: none;
        border-radius: 8px;
        transition: all 0.3s ease;
        margin-bottom: 0.25rem;
    }

    .mobile-submenu-link:hover,
    .mobile-submenu-link.active {
        background: rgba(255, 255, 255, 0.1);
        color: white;
        padding-left: 1.25rem;
    }

    .mobile-submenu-link i,
    .mobile-submenu-link .fi {
        width: 20px;
        font-size: 0.85rem;
        color: var(--accent-red-light, #D25050);
    }

    /* CTA Button */
    .mobile-menu-cta {
        margin-top: 1.5rem;
        width: 100%;
        max-width: 320px;
    }

    .mobile-cta-button {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        padding: 1rem 2rem;
        background: linear-gradient(135deg, var(--accent-red, #B83232) 0%, var(--accent-red-dark, #8A2626) 100%);
        color: white;
        font-size: 1.1rem;
        font-weight: 600;
        text-decoration: none;
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(184, 50, 50, 0.4);
        transition: all 0.3s ease;
    }

    .mobile-cta-button:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(184, 50, 50, 0.5);
    }

    /* Footer Info */
    .mobile-menu-footer {
        margin-top: auto;
        padding-top: 2rem;
        text-align: center;
        color: rgba(255, 255, 255, 0.6);
        font-size: 0.85rem;
    }

    .mobile-menu-footer p {
        margin: 0.5rem 0;
    }

    .mobile-menu-footer i {
        color: var(--accent-red-light, #D25050);
    }

    /* Nur für Mobile anzeigen */
    @media (min-width: 1024px) {
        .mobile-menu-fullscreen {
            display: none !important;
        }
    }